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Finding the Fourth Proportional to 636,185.50, 877,937.82 and 364,257.58

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Solution

The fourth proportional to 636,185.50, 877,937.82 and 364,257.58 is: 502,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,185.50 : 877,937.82 = 364,257.58 : x
  2. Step 2: Convert to fraction form
    636,185.50/877,937.82 = 364,257.58/x
  3. Step 3: Cross multiply
    636,185.50x = 877,937.82 × 364,257.58
  4. Step 4: Simplify right side
    636,185.50x = 319,795,505,703.68
  5. Step 5: Solve for x
    x = 319,795,505,703.68/636,185.50
  6. Step 6: Final answer
    x = 502,676.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.